6849007181 has 2 divisors, whose sum is σ = 6849007182. Its totient is φ = 6849007180.

The previous prime is 6849007177. The next prime is 6849007189. The reversal of 6849007181 is 1817009486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6660192100 + 188815081 = 81610^2 + 13741^2 .

It is a cyclic number.

It is not a de Polignac number, because 6849007181 - 2² = 6849007177 is a prime.

It is a super-2 number, since 2×6849007181² = 93817798730779133522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6849007189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3424503590 + 3424503591.

It is an arithmetic number, because the mean of its divisors is an integer number (3424503591).

Almost surely, 2^6849007181 is an apocalyptic number.

It is an amenable number.

6849007181 is a deficient number, since it is larger than the sum of its proper divisors (1).

6849007181 is an equidigital number, since it uses as much as digits as its factorization.

6849007181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 6849007181 is about 82758.7287299654. The cubic root of 6849007181 is about 1899.0768535781.

The spelling of 6849007181 in words is "six billion, eight hundred forty-nine million, seven thousand, one hundred eighty-one".